Mathematics, 17.09.2019 16:30, sparkybig12

Find the value of the discrimination and the number of real-number solutions in the below equation:
x^2+7x+8=0
can you explain how to do this step-by-step? i have more questions similar to this one that i need to be able to answer.
in advanced : )

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Find the value of the discrimination and the number of real-number solutions in the below equation:...